body {
    background: #dcdcdc;
    margin: 0;
    padding: 0;
    font-family: "Lucinda Grande", "Lucinda Sans Unicode", Helvetica, Arial, Verdana, sans-serif;
    font-size: 14px;
    line-height: 24px;
}

h1 {
    font-size: 25px;
    padding: 0;
    margin: 0;
}

canvas {
    background: #fff;
}

#wrapper {
    max-width: 800px;
    margin: 10px auto;
}

#operations {
    padding: 7px 0;
}

#operations button {
    background: #09f;
    color: #fff;
    font-size: 14px;
    padding: 5px 5px;
    border: none;
    cursor: pointer;
    outline: none;
    margin-right: 10px;
}

#operations button:hover {
    background: #0bf;
}

#operations button:disabled {
    background: #999;
    cursor: default;
}

#info {
    padding: 10px 0;
}

